hierarchal vs hierarchic

hierarchal and hierarchic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
hierarchal	No	Yes	No	No
hierarchic	No	Yes	No	No

As adjectives, hierarchal and hierarchic are synonyms defined as:

hierarchal and hierarchic: classified according to various criteria into successive levels or layers

Other synonyms of hierarchal include hierarchical.

hierarchal (adjective)	hierarchic (adjective)
classified according to various criteria into successive levels or layers	classified according to various criteria into successive levels or layers